Home / 19,676.75-27,153.12-10,724.06

Finding the Fourth Proportional to 19,676.75, 27,153.12 and 10,724.06

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Solution

The fourth proportional to 19,676.75, 27,153.12 and 10,724.06 is: 14,798.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    19,676.75 : 27,153.12 = 10,724.06 : x
  2. Step 2: Convert to fraction form
    19,676.75/27,153.12 = 10,724.06/x
  3. Step 3: Cross multiply
    19,676.75x = 27,153.12 × 10,724.06
  4. Step 4: Simplify right side
    19,676.75x = 291,191,688.07
  5. Step 5: Solve for x
    x = 291,191,688.07/19,676.75
  6. Step 6: Final answer
    x = 14,798.77

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.